Learn about the Firewall Service in Linux CentOS 8. A firewall is a method for monitoring and filtering incoming and outgoing network traffic. It works by defining a set of security rules that determine whether to allow or block specific traffic. A properly configured firewall is one of the most important aspects of overall system security.
CentOS 8 ships with a firewall daemon named firewalld. It is a complete solution with a D-Bus interface that allows you to manage the system’s firewall dynamically.
In this tutorial, we will talk about how to configure and manage the firewall on CentOS 8. We’ll also explain the basic FirewallD concepts.

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